/// <summary>
///
/// </summary>
/// <param name="server"></param>
void DispatchSnapshots(NetServer server, long serverTicks)
{
// snapshot request is stored in connection's tag.s
var debug = game.Network.ShowSnapshots;
var conns = server.Connections.ToArray();
var sw = new Stopwatch();
foreach (var conn in conns)
{
var state = conn.GetState();
if (state == null)
{
continue;
}
if (!state.IsSnapshotRequested)
{
return;
}
sw.Reset();
sw.Start();
var guid = state.ClientGuid;
var queue = state.SnapshotQueue;
queue.Push(serverInstance.MakeSnapshot(guid));
var snapID = queue.LatestSnapshotID;
var ackSnapID = state.AckSnapshotID;
int size = 0;
var commandID = state.LastCommandID;
var snapshot = queue.Compress(ref ackSnapID, out size);
// reset snapshot request :
state.IsSnapshotRequested = false;
var msg = server.CreateMessage(snapshot.Length + 4 * 4 + 8 + 1);
msg.Write((byte)NetCommand.Snapshot);
msg.Write(snapID);
msg.Write(ackSnapID);
msg.Write(commandID);
msg.Write(serverTicks);
msg.Write(snapshot.Length);
msg.Write(snapshot);
// append atom table to first snapshot :
if (commandID == 0)
{
serverInstance.Atoms.Write(msg);
}
// Zero snapshot frame index means that client is waiting for first snapshot.
// and snapshot should reach the client.
var delivery = ackSnapID == 0 ? NetDeliveryMethod.ReliableOrdered : NetDeliveryMethod.UnreliableSequenced;
if (ackSnapID == 0)
{
Log.Message("SV: Sending initial snapshot to {0}", conn.PeekHailGuid().ToString());
}
sw.Stop();
server.SendMessage(msg, conn, delivery, 0);
if (debug)
{
Log.Message("Snapshot: #{0} - #{1} : {2} / {3} to {4} at {5} msec",
snapID, ackSnapID, snapshot.Length, size, conn.RemoteEndPoint.ToString(), sw.Elapsed.TotalMilliseconds);
}
}
}
